Insiders who reported open-market trades in the last 12 months at the companies Global Graphene Group, Inc. files at. Multiple unrelated insiders buying the same stock within a short window, cluster buying, has historically been one of the strongest Form 4 signals.
Henry Ikezi - $12.86M in STI purchases and sales in the last 12 months
Karin-Joyce Tjon - $36K in STI purchases and sales in the last 12 months
Vlad Prantsevich - $7K in STI purchases and sales in the last 12 months
Jaymes Winters - $7K in STI purchases and sales in the last 12 months
More insiders (A-Z)
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Global Graphene Group, Inc. is a corporate entity, tracked as 10% Owner of Solidion Technology Inc. (STI). InsiderAlpha holds 4 primary Form 4 filings for it, the earliest from 2025, updated as new SEC EDGAR filings are processed.
When did Global Graphene Group, Inc. last file a Form 4?
The most recent primary Form 4 on record is dated 6 June 2026, one of 4 filings going back to 2025.
Has Global Graphene Group, Inc. been buying or selling stock?
Recorded transactions: 0 open-market purchases and 7 open-market sales ($3.98M) across all tracked filings.
Global Graphene Group, Inc. is 10% Owner of Solidion Technology Inc. (STI). 4 SEC Form 4 filings on record going back to 2025, most recently on 6 June 2026. Most recent open-market trade: sold $3.69M of STI on 6 June 2026. Lifetime open-market sales: $3.98M.
Recent transactions
8
The latest 8 SEC Form 4 transactions reported by Global Graphene Group, Inc..
InsiderAlpha's records for Global Graphene Group, Inc. go back to 2025: 4 primary Form 4 filings, an average of 2.0 per year. No recorded transaction carries a Rule 10b5-1 plan flag. An absent flag does not establish whether a transaction was pre-arranged or discretionary.
